linux-kernel - Re: [RFC PATCH 3/6] dt-bindings: crypto: Add bindings for ZynqMP SHA3 driver

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Date:   Tue, 7 Dec 2021 15:30:10 -0600
From:   Rob Herring <robh@...nel.org>
To:     Harsha <harsha.harsha@...inx.com>
Cc:     herbert@...dor.apana.org.au, davem@...emloft.net,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        michal.simek@...inx.com, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, saratcha@...inx.com, harshj@...inx.com
Subject: Re: [RFC PATCH 3/6] dt-bindings: crypto: Add bindings for ZynqMP
 SHA3 driver

On Tue, Nov 30, 2021 at 02:24:22PM +0530, Harsha wrote:
> This patch adds documentation to describe Xilinx ZynqMP SHA3 driver
> bindings.
> 
> Signed-off-by: Harsha <harsha.harsha@...inx.com>
> ---
>  .../bindings/crypto/xlnx,zynqmp-sha3.yaml          | 30 ++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/crypto/xlnx,zynqmp-sha3.yaml
> 
> diff --git a/Documentation/devicetree/bindings/crypto/xlnx,zynqmp-sha3.yaml b/Documentation/devicetree/bindings/crypto/xlnx,zynqmp-sha3.yaml
> new file mode 100644
> index 0000000..45a8022
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/crypto/xlnx,zynqmp-sha3.yaml
> @@ -0,0 +1,30 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/crypto/xlnx,zynqmp-sha3.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Xilinx ZynqMP SHA3 Hardware Accelerator Device Tree Bindings
> +
> +maintainers:
> +  - Harsha Harsha<harsha.harsha@...inx.com>

space               ^

> +
> +description: |

Don't need '|' if no formatting to preserve.

> +  The ZynqMP SHA3 hardened cryptographic accelerator is used to
> +  calculate the SHA3 hash for the given user data.
> +
> +properties:
> +  compatible:
> +    const: xlnx,zynqmp-sha3-384
> +
> +required:
> +  - compatible
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    xlnx_sha3_384: sha3-384 {

crypto {

> +      compatible = "xlnx,zynqmp-sha3-384";

You need some way to access this h/w.

> +    };
> +...
> -- 
> 1.8.2.1
> 
>